618240

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1$

素因数の和:54

約数の個数: 144

約数和(自身を含む): 2354688

約数和(自身を除く): 1736448

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 32, 35, 40, 42, 46, 48, 56, 60, 64, 69, 70, 80, 84, 92, 96, 105, 112, 115, 120, 128, 138, 140, 160, 161, 168, 184, 192, 210, 224, 230, 240, 256, 276, 280, 320, 322, 336, 345, 368, 384, 420, 448, 460, 480, 483, 552, 560, 640, 644, 672, 690, 736, 768, 805, 840, 896, 920, 960, 966, 1104, 1120, 1280, 1288, 1344, 1380, 1472, 1610, 1680, 1792, 1840, 1920, 1932, 2208, 2240, 2415, 2576, 2688, 2760, 2944, 3220, 3360, 3680, 3840, 3864, 4416, 4480, 4830, 5152, 5376, 5520, 5888, 6440, 6720, 7360, 7728, 8832, 8960, 9660, 10304, 11040, 12880, 13440, 14720, 15456, 17664, 19320, 20608, 22080, 25760, 26880, 29440, 30912, 38640, 41216, 44160, 51520, 61824, 77280, 88320, 103040, 123648, 154560, 206080, 309120, 618240]

約数ペア:

[(1, 618240), (2, 309120), (3, 206080), (4, 154560), (5, 123648), (6, 103040), (7, 88320), (8, 77280), (10, 61824), (12, 51520), (14, 44160), (15, 41216), (16, 38640), (20, 30912), (21, 29440), (23, 26880), (24, 25760), (28, 22080), (30, 20608), (32, 19320), (35, 17664), (40, 15456), (42, 14720), (46, 13440), (48, 12880), (56, 11040), (60, 10304), (64, 9660), (69, 8960), (70, 8832), (80, 7728), (84, 7360), (92, 6720), (96, 6440), (105, 5888), (112, 5520), (115, 5376), (120, 5152), (128, 4830), (138, 4480), (140, 4416), (160, 3864), (161, 3840), (168, 3680), (184, 3360), (192, 3220), (210, 2944), (224, 2760), (230, 2688), (240, 2576), (256, 2415), (276, 2240), (280, 2208), (320, 1932), (322, 1920), (336, 1840), (345, 1792), (368, 1680), (384, 1610), (420, 1472), (448, 1380), (460, 1344), (480, 1288), (483, 1280), (552, 1120), (560, 1104), (640, 966), (644, 960), (672, 920), (690, 896), (736, 840), (768, 805)]